<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <button>1111</button>
    <p>1</p>
    <p>2</p>

    <script src="../js/jq.js"></script>
    <script>

        $('body').css('color' , 'red')

        $('body').css({
            fontSize : '20px' ,
            width : '200px'
        })


        console.log($('body').css('width'));






       $('button').click(function(){
            // $('p').toggle()
            console.log($('p').parent());

       })

    </script>
    
</body>
</html>